Cita APA (7th ed.)

Richardson, N., & Laville, L. (2010). Develop your PR skills. Kogan Page.

Cita Chicago (17th ed.)

Richardson, Neil, i Lucy Laville. Develop Your PR Skills. London, Philadelphia: Kogan Page, 2010.

Cita MLA (9th ed.)

Richardson, Neil, i Lucy Laville. Develop Your PR Skills. Kogan Page, 2010.